URGENT - WEATHER MESSAGENATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO901 AM CDT SAT AUG 7 2010...DANGEROUS HEAT RETURNING SUNDAY....DANGEROUS HEAT IS EXPECTED TO RETURN THE REGION ON SUNDAY. THEHEAT WILL BE FOCUSED ACROSS WESTERN MISSOURI AND EASTERN KANSASON SUNDAY BEFORE SPREADING EASTWARD INTO CENTRAL AND NORTHEASTERNMISSOURI BY MONDAY. THIS DANGEROUS HEAT IS EXPECTED TO PERSISTTHROUGH THE MIDDLE OF THE WEEK...WITH THE POTENTIAL TO REMAIN IN THEAREA UNTIL NEXT WEEKEND.KSZ025-102-MOZ001&gt;006-011&gt;015-020&gt;023-030-031-072300-/O.CON.KEAX.EH.A.0001.100808T1500Z-100812T0300Z/ATCHISON KS-DONIPHAN-ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-BUCHANAN-CLINTON-CALDWELL-LIVINGSTON-RAY-CARROLL-INCLUDING THE CITIES OF...ATCHISON...TROY...TARKIO...MARYVILLE...GRANT CITY...ALBANY...STANBERRY...BETHANY...PRINCETON...MOUND CITY...OREGON...SAVANNAH...CAMERON...GALLATIN...JAMESPORT...TRENTON...ST. JOSEPH...PLATTSBURG...HAMILTON...POLO...CHILLICOTHE...RICHMOND...CARROLLTON901 AM CDT SAT AUG 7 2010...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SUNDAY MORNINGTHROUGH WEDNESDAY EVENING...AN EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SUNDAY MORNINGTHROUGH WEDNESDAY EVENING.* AREAS AFFECTED...MUCH OF NORTHWEST AND NORTH CENTRAL MISSOURI.* TEMPERATURES...AFTERNOON AIR TEMPERATURES WILL TOP OUT IN THEMID TO UPPER 90S FROM SUNDAY THROUGH WEDNESDAY. OVERNIGHT LOWTEMPERATURES WILL ONLY FALL INTO THE UPPER 70S.* HEAT INDEX VALUES...THE COMBINATION OF HEAT AND OPPRESSIVEHUMIDITY MAY PRODUCE DANGEROUS AFTERNOON HEAT INDEX VALUESFROM 105 TO 110 SUNDAY THROUGH WEDNESDAY AFTERNOON.* IMPACTS...PROLONGED EXPOSURE TO THESE HIGH HEAT INDEX VALUESCAN RESULT IN DEHYDRATION...HEAT EXHAUSTION OR HEAT STROKE ANDPOTENTIALLY BE LIFE THREATENING.PRECAUTIONARY/PREPAREDNESS ACTIONS...AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOTTEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES ANDHIGH HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEATILLNESSES ARE POSSIBLE. DRINK PLENTY OF NON-ALCOHOLIC BEVERAGES...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...ANDCHECK UP ON RELATIVES...THE ELDERLY...AND PETS.&&$$